#include <bits/stdc++.h>
#define f first
#define s second
#define sz(x) (int)(x).size()
#define pb push_back
#define all(x) (x).begin(),(x).end()
#define rall(x) (x).rbegin(),(x).rend()
#define vec vector
#define pw(x) (1LL<<(x))
#define m_p make_pair
#define fast_iati ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
template <class T> bool umin(T &a,const T &b){return (a>b?a=b,1:0);}
template <class T> bool umax(T &a,const T &b){return (a<b?a=b,1:0);}
typedef long long ll;
typedef pair<int,int> pii;
typedef long double ld;
const int inf=-2e9;
signed main(){
fast_iati;
int n;
cin>>n;
vec<int>x(n),y(n),r(n);
int ok=1;
for(int i=0;i<n;i++)
cin>>x[i]>>y[i]>>r[i],ok&=(y[i]==0);
vec<int>perm(n,0);
iota(all(perm),0);
sort(all(perm),[&](int i,int j){return m_p(r[i],-i)>m_p(r[j],-j);});
// for(int i=0;i<n;i++){
// cout<<r[perm[i]]<<' '<<perm[i]<<endl;
// }
vec<int>p(n,-1);
if(!ok){
for(auto &i : perm){
if(p[i]!=-1) continue;
for(int j=0;j<n;j++){
if(p[j]!=-1) continue;
if(y[i]==y[j]){
if(abs(x[i]-x[j])<=r[i]){
p[j]=i;
}
}
else{
ld k=(ld)(y[i]-y[j])/(y[i]+y[j]);
}
// if(){
// p[j]=i;
// }
}
}
}
else{
// assert(false);
set<pii>st;
for(int i=0;i<n;i++) st.insert({x[i],i});
for(auto &i : perm){
if(p[i]!=-1) continue;
int l=x[i]-r[i],rt=x[i]+r[i];
while(1){
auto it=st.lower_bound(m_p(l,-inf));
if(it==st.end() || it->f>rt) break;
assert(p[it->s]==-1);
p[it->s]=i;
st.erase(it);
}
// assert(p[i]==i);
}
}
for(auto &z : p)
cout<<z+1<<' ';
return 0;
}
/*
4 2 4
3 1 1 10
9 2 2 4
7 2 5 7
4 1 8 10
5 3
5 6
5 9
1 10
3
1 0 2
2 0 2
4 0 1
2 0
2 1
1 2
2 1 3
1 1 1 4
1 1 2 6
1 3
1 5
1 7
1 1 1
100000000 1 1 1
1 1
*/
Compilation message
circle_selection.cpp: In function 'int main()':
circle_selection.cpp:50:24: warning: unused variable 'k' [-Wunused-variable]
50 | ld k=(ld)(y[i]-y[j])/(y[i]+y[j]);
| ^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
313 ms |
22280 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Execution timed out |
3059 ms |
6136 KB |
Time limit exceeded |
2 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Incorrect |
0 ms |
204 KB |
Output isn't correct |
4 |
Halted |
0 ms |
0 KB |
- |